Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Input Voltage Range | 2.7V to 8.5V |
| Supply Current | 250µA (Typical) |
| Interface Type | Serial 3-Wire |
| Measurement Accuracy | ±1% |
| Operating Temperature | -40°C to 85°C |
| Package Type | Breakout Board |
| Sense Resistor | 0.05Ω 1% Included |
| Clock Frequency | 32.768kHz |
| PCB Dimensions | 25mm x 15mm |
| Module Weight | 3.5g |
Anonymous
Apr 04, 2026
Rating: 5/5
Excellent for battery packs
Works exactly as described. Integrated the pulse counting easily with my microcontroller. Accuracy is spot on for my 18650 setup.
Anonymous
Mar 31, 2026
Rating: 3/5
Works but needs calibration
Functional module. Had to tweak the sense resistor value in software to get precise readings. Expected plug-and-play accuracy.
Anonymous
Mar 28, 2026
Rating: 4/5
Good module, small learning curve
The LTC4150 is a classic chip. This breakout saves time. Only 4 stars because the pinout diagram on the back is a bit faint.
Anonymous
Feb 24, 2026
Rating: 5/5
Perfect for off-grid monitoring
Using this to monitor my lithium battery bank. The coulomb counting is much better than just voltage sensing. Very stable.
Anonymous
Feb 23, 2026
Rating: 5/5
Reliable current sensing
Been running this on my robot for weeks. No drift observed. Great value for the price compared to building from scratch.
Q: Does it support I2C communication?
A: No, the LTC4150 uses a proprietary 3-wire serial interface, not I2C.
Q: What is the maximum continuous current?
A: Depends on the sense resistor. With the included 0.05Ω, we recommend staying under 5A for heat management.
Q: Can I use an external clock?
A: Yes, there is a pin designated for an external 32.768kHz crystal or clock source.
Q: Is the sense resistor replaceable?
A: Yes, it is a standard 1206 package resistor that can be swapped for different current ranges.
Q: Is this compatible with 3.3V logic?
A: Yes, the module operates comfortably within 3.3V logic levels.
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